21
ethyne and pentane dimer. Min dist:5.22648623239cm distance: 5.5
C	 0.24054849 -0.05382489  0.55361824
H	 0.66128457 -0.14841462  1.52395512
C	-0.24015423  0.05397374 -0.5537845 
H	-0.66167884  0.14826577 -1.52378886
C	 4.08803475  4.29698116  3.75262728
H	 4.41126113  4.92837316  2.92450371
H	 4.68461531  3.38530505  3.72102252
H	 3.04849553  4.0216007   3.58025141
C	 4.27061394  5.01842697  5.08138118
H	 3.92193951  4.38278503  5.89862933
H	 3.6512817   5.91776107  5.10265626
C	 5.71870894  5.41420643  5.3333897 
H	 6.34484485  4.51698289  5.34468974
H	 6.07009699  6.0297783   4.50118537
C	 5.90975149  6.1818041   6.63394456
H	 5.58258113  5.56139052  7.47151998
H	 5.25791568  7.05804199  6.62437415
C	 7.35426747  6.61509476  6.84624919
H	 7.68832922  7.25412529  6.0283575 
H	 7.47949752  7.16643196  7.77710931
H	 8.01776483  5.75091061  6.87810881
